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gpio/omap: replace MOD_REG_BIT macro with static inline 

This macro is ugly and confusing, especially since it passes in most
arguments, but uses an implied 'base' from the caller.

Replace it with an equivalent static inline.

Signed-off-by: Kevin Hilman <khilman@ti.com>
This commit is contained in:
Kevin Hilman 2011-07-12 08:18:15 -07:00
parent fcb8ce5cfe
commit ece9528e5f
1 changed files with 29 additions and 25 deletions
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54
drivers/gpio/gpio-omap.c
View File

@ -148,13 +148,17 @@ static int _get_gpio_dataout(struct gpio_bank *bank, int gpio)
return (__raw_readl(reg) & GPIO_BIT(bank, gpio)) != 0;
}
#define MOD_REG_BIT(reg, bit_mask, set) \
do { \
int l = __raw_readl(base + reg); \
if (set) l |= bit_mask; \
else l &= ~bit_mask; \
__raw_writel(l, base + reg); \
} while(0)
static inline void _gpio_rmw(void __iomem *base, u32 reg, u32 mask, bool set)
{
int l = __raw_readl(base + reg);
if (set)
l |= mask;
else
l &= ~mask;
__raw_writel(l, base + reg);
}
/**
* _set_gpio_debounce - low level gpio debounce time
@ -210,28 +214,28 @@ static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio,
u32 gpio_bit = 1 << gpio;
if (cpu_is_omap44xx()) {
MOD_REG_BIT(OMAP4_GPIO_LEVELDETECT0, gpio_bit,
trigger & IRQ_TYPE_LEVEL_LOW);
MOD_REG_BIT(OMAP4_GPIO_LEVELDETECT1, gpio_bit,
trigger & IRQ_TYPE_LEVEL_HIGH);
MOD_REG_BIT(OMAP4_GPIO_RISINGDETECT, gpio_bit,
trigger & IRQ_TYPE_EDGE_RISING);
MOD_REG_BIT(OMAP4_GPIO_FALLINGDETECT, gpio_bit,
trigger & IRQ_TYPE_EDGE_FALLING);
_gpio_rmw(base, OMAP4_GPIO_LEVELDETECT0, gpio_bit,
trigger & IRQ_TYPE_LEVEL_LOW);
_gpio_rmw(base, OMAP4_GPIO_LEVELDETECT1, gpio_bit,
trigger & IRQ_TYPE_LEVEL_HIGH);
_gpio_rmw(base, OMAP4_GPIO_RISINGDETECT, gpio_bit,
trigger & IRQ_TYPE_EDGE_RISING);
_gpio_rmw(base, OMAP4_GPIO_FALLINGDETECT, gpio_bit,
trigger & IRQ_TYPE_EDGE_FALLING);
} else {
MOD_REG_BIT(OMAP24XX_GPIO_LEVELDETECT0, gpio_bit,
trigger & IRQ_TYPE_LEVEL_LOW);
MOD_REG_BIT(OMAP24XX_GPIO_LEVELDETECT1, gpio_bit,
trigger & IRQ_TYPE_LEVEL_HIGH);
MOD_REG_BIT(OMAP24XX_GPIO_RISINGDETECT, gpio_bit,
trigger & IRQ_TYPE_EDGE_RISING);
MOD_REG_BIT(OMAP24XX_GPIO_FALLINGDETECT, gpio_bit,
trigger & IRQ_TYPE_EDGE_FALLING);
_gpio_rmw(base, OMAP24XX_GPIO_LEVELDETECT0, gpio_bit,
trigger & IRQ_TYPE_LEVEL_LOW);
_gpio_rmw(base, OMAP24XX_GPIO_LEVELDETECT1, gpio_bit,
trigger & IRQ_TYPE_LEVEL_HIGH);
_gpio_rmw(base, OMAP24XX_GPIO_RISINGDETECT, gpio_bit,
trigger & IRQ_TYPE_EDGE_RISING);
_gpio_rmw(base, OMAP24XX_GPIO_FALLINGDETECT, gpio_bit,
trigger & IRQ_TYPE_EDGE_FALLING);
}
if (likely(!(bank->non_wakeup_gpios & gpio_bit))) {
if (cpu_is_omap44xx()) {
MOD_REG_BIT(OMAP4_GPIO_IRQWAKEN0, gpio_bit,
trigger != 0);
_gpio_rmw(base, OMAP4_GPIO_IRQWAKEN0, gpio_bit,
trigger != 0);
} else {
/*
* GPIO wakeup request can only be generated on edge